I don't have a favorite per se, but I find that this eraser is able to erase marks that are bigger area because it's harder and thus durable than my other favorite, the Faber-Castel.

Doesn't leave a mark like other cheap

They don't leave dark marks or rip the paper.

also works great for erasing some marks and

I used to erase pencil marks on my calligraphy.

NEVER leaves any blurry marks on my designer or cardstock paper

This latex-free eraser is great to erase everything marked by graphite, from notes to drawings, without marking the paper and with no smudges

Does not leave marks, works great for artwork

No mess and no scuff marks on the paper.

Harder types best.- erases light marks with watercolor pencil (before it gets wet

It is just as good as when I bought it, though rounded a bit on one end from use